#pragma once
#include "Log.hpp"
#include <iostream>
#include <string>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <cstring>

enum{
    SocketErr = 2,
    BindErr,
    ListenErr,
};

const int backlog = 10;

class Sock
{
public:
    Sock() {}
    ~Sock() {}

public:
    void Socket() // 创建套接字接口
    {
        sockfd_ = socket(AF_INET,SOCK_STREAM,0);
        if(sockfd_<0)
        {
            lg(Fatal,"socket error,%s:%d",strerror(errno),errno);
            exit(SocketErr);
        }
    }

    void Bind(uint16_t port)
    {
        struct sockaddr_in local;
        memset(&local,0,sizeof(local));
        local.sin_family = AF_INET;
        local.sin_port = htons(port);
        local.sin_addr.s_addr = INADDR_ANY;

        int n = bind(sockfd_,(struct sockaddr*)&local,sizeof(local));
        if(n<0)
        {
            lg(Fatal,"bind error,%s:%d",strerror(errno),errno);
            exit(BindErr);
        }
    }

    void Listen()
    {
        if(listen(sockfd_,backlog)<0)
        {
            lg(Fatal,"listen error,%s:%d",strerror(errno),errno);
            exit(ListenErr);
        }
    }

    int Accept(std::string *clientip,uint16_t *clientport)
    {
        struct sockaddr_in peer;
        socklen_t len = sizeof(peer);
        int newfd = accept(sockfd_,(struct sockaddr*)&peer,&len);
        if(newfd<0)
        {
            lg(Fatal,"accept error,%s:%d",strerror(errno),errno);
            return -1;
        }
        *clientport = ntohs(peer.sin_port);
        char ipstr[32];
        inet_ntop(AF_INET,&(peer.sin_addr),ipstr,sizeof(ipstr));
        *clientip = ipstr;

        return newfd;
    }
    bool Connect(const std::string &ip,const uint16_t &port)
    {
        struct sockaddr_in peer;
        memset(&peer,0,sizeof(peer));
        peer.sin_family = AF_INET;
        peer.sin_port = htons(port);
        inet_pton(AF_INET,ip.c_str(),&(peer.sin_addr));

        int n = connect(sockfd_,(struct sockaddr*)&peer,sizeof(peer));
        if(n==-1)
        {
            return false;
        }
        return true;
    }

    int Fd()
    {
        return sockfd_;
    }

    void Close()
    {
        close(sockfd_);
    }

private:
    int sockfd_;
};